package com.imooc.controller;

import com.imooc.VO.ResultVO;
import com.imooc.converter.OrderForm2OrderDTOConverter;
import com.imooc.dto.OrderDTO;
import com.imooc.enums.ResultEnum;
import com.imooc.exception.SellException;
import com.imooc.form.OrderForm;
import com.imooc.service.BuyerService;
import com.imooc.service.OrderService;
import com.imooc.utils.ResultVOUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping(value = "/buyer/order")
@Slf4j
public class BuyerOrderController {

    @Autowired
    private OrderService orderService;

    @Autowired
    private BuyerService buyerService;
    //创建订单
    @PostMapping(value = "/create")
    public ResultVO<Map<String,String>> create(@Valid OrderForm orderForm,
                                           BindingResult bindingResult){
        if(bindingResult.hasErrors()){
            log.error("【创建订单】 参数不正确， orderForm={}",orderForm);
            throw  new SellException(ResultEnum.PARAM_ERROR.getCode(),bindingResult.getFieldError().getDefaultMessage());
        }
        OrderDTO orderDTO = OrderForm2OrderDTOConverter.convert(orderForm);
        if(CollectionUtils.isEmpty(orderDTO.getOrderDetailList())){
            log.error("【创建订单】购物车不能为空");
            throw new SellException(ResultEnum.CART_EMPTY);
        }
        OrderDTO dto = orderService.create(orderDTO);
        Map<String,String> map = new HashMap<>();
        map.put("orderId",dto.getOrderId());
        return ResultVOUtils.success(map);
    }
    //订单列表
    @GetMapping("/list")
    public ResultVO<List<OrderDTO>> list(@RequestParam("openid")String openid,
                                         @RequestParam(value = "page",defaultValue ="0")Integer page,
                                         @RequestParam(value = "size",defaultValue = "10") Integer size){
        if (StringUtils.isEmpty(openid)){
            log.error("【查询订单列表】openid为空");
            throw new SellException(ResultEnum.PARAM_ERROR);
        }
        PageRequest pageRequest = new PageRequest(page,size);
        Page<OrderDTO> orderDTOPage = orderService.findList(openid, pageRequest);
        return ResultVOUtils.success(orderDTOPage.getContent());
    }

    //订单详情
    @GetMapping("/detail")
    public ResultVO<OrderDTO> detail(@RequestParam("openid")String openid,
                                     @RequestParam("orderId")String orderId){
        return ResultVOUtils.success(buyerService.findOrderOne(openid,orderId));
    }

    //取消订单
    @PostMapping("/cancel")
    public ResultVO<OrderDTO> cance(@RequestParam("openid")String openid,
                                     @RequestParam("orderId")String orderId){
        buyerService.cancelOrderOne(openid,orderId);
        return ResultVOUtils.success();
    }
}
